diff options
Diffstat (limited to 'src/script/interpreter.cpp')
| -rw-r--r-- | src/script/interpreter.cpp | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index 23d5b72a5..7b2457a5e 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -986,9 +986,9 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& else if (opcode == OP_SHA256) CSHA256().Write(vch.data(), vch.size()).Finalize(vchHash.data()); else if (opcode == OP_HASH160) - CHash160().Write(vch.data(), vch.size()).Finalize(vchHash.data()); + CHash160().Write(vch).Finalize(vchHash); else if (opcode == OP_HASH256) - CHash256().Write(vch.data(), vch.size()).Finalize(vchHash.data()); + CHash256().Write(vch).Finalize(vchHash); popstack(stack); stack.push_back(vchHash); } @@ -1258,34 +1258,37 @@ public: } }; +/** Compute the (single) SHA256 of the concatenation of all prevouts of a tx. */ template <class T> -uint256 GetPrevoutHash(const T& txTo) +uint256 GetPrevoutsSHA256(const T& txTo) { CHashWriter ss(SER_GETHASH, 0); for (const auto& txin : txTo.vin) { ss << txin.prevout; } - return ss.GetHash(); + return ss.GetSHA256(); } +/** Compute the (single) SHA256 of the concatenation of all nSequences of a tx. */ template <class T> -uint256 GetSequenceHash(const T& txTo) +uint256 GetSequencesSHA256(const T& txTo) { CHashWriter ss(SER_GETHASH, 0); for (const auto& txin : txTo.vin) { ss << txin.nSequence; } - return ss.GetHash(); + return ss.GetSHA256(); } +/** Compute the (single) SHA256 of the concatenation of all txouts of a tx. */ template <class T> -uint256 GetOutputsHash(const T& txTo) +uint256 GetOutputsSHA256(const T& txTo) { CHashWriter ss(SER_GETHASH, 0); for (const auto& txout : txTo.vout) { ss << txout; } - return ss.GetHash(); + return ss.GetSHA256(); } } // namespace @@ -1297,9 +1300,9 @@ void PrecomputedTransactionData::Init(const T& txTo) // Cache is calculated only for transactions with witness if (txTo.HasWitness()) { - hashPrevouts = GetPrevoutHash(txTo); - hashSequence = GetSequenceHash(txTo); - hashOutputs = GetOutputsHash(txTo); + hashPrevouts = SHA256Uint256(GetPrevoutsSHA256(txTo)); + hashSequence = SHA256Uint256(GetSequencesSHA256(txTo)); + hashOutputs = SHA256Uint256(GetOutputsSHA256(txTo)); } m_ready = true; @@ -1329,16 +1332,16 @@ uint256 SignatureHash(const CScript& scriptCode, const T& txTo, unsigned int nIn const bool cacheready = cache && cache->m_ready; if (!(nHashType & SIGHASH_ANYONECANPAY)) { - hashPrevouts = cacheready ? cache->hashPrevouts : GetPrevoutHash(txTo); + hashPrevouts = cacheready ? cache->hashPrevouts : SHA256Uint256(GetPrevoutsSHA256(txTo)); } if (!(nHashType & SIGHASH_ANYONECANPAY) && (nHashType & 0x1f) != SIGHASH_SINGLE && (nHashType & 0x1f) != SIGHASH_NONE) { - hashSequence = cacheready ? cache->hashSequence : GetSequenceHash(txTo); + hashSequence = cacheready ? cache->hashSequence : SHA256Uint256(GetSequencesSHA256(txTo)); } if ((nHashType & 0x1f) != SIGHASH_SINGLE && (nHashType & 0x1f) != SIGHASH_NONE) { - hashOutputs = cacheready ? cache->hashOutputs : GetOutputsHash(txTo); + hashOutputs = cacheready ? cache->hashOutputs : SHA256Uint256(GetOutputsSHA256(txTo)); } else if ((nHashType & 0x1f) == SIGHASH_SINGLE && nIn < txTo.vout.size()) { CHashWriter ss(SER_GETHASH, 0); ss << txTo.vout[nIn]; @@ -1522,7 +1525,7 @@ static bool ExecuteWitnessScript(const Span<const valtype>& stack_span, const CS static bool VerifyWitnessProgram(const CScriptWitness& witness, int witversion, const std::vector<unsigned char>& program, unsigned int flags, const BaseSignatureChecker& checker, ScriptError* serror) { CScript scriptPubKey; - Span<const valtype> stack = MakeSpan(witness.stack); + Span<const valtype> stack{witness.stack}; if (witversion == 0) { if (program.size() == WITNESS_V0_SCRIPTHASH_SIZE) { |